We have used those models for the last 6 months, and i can tell you the following:

There SEEMS to be a software, but you wont get any answer from concox or find it anywhere on the net ( we didn't anyway).

The cable is a simple USB-to rs232 converter and you can use putty to talk to the device...it seems to respond to AT commands, similar to skypatrol but i havent found any document that describes its commands.

We have talked to a couple of suppliers and none know anything about the software (even though they will happily sell you the usb cable) SO it seems sms is the only way you can program those.

@HnB06 , thank you for your reply. Seems we are pretty much in the same boat.

Well there is some good news.

The email/contact form on Concox site was a fail.

They have a Facebook page though, and it did the trick.

The good guys have replied on their Facebook page; have requested for my email/skype id. Given them that, keeping my fingers crossed.

As an addendum, it seems there are a couple of suppliers here in India who are a direct seller of Concox products, while providing the tracking support on their own customized platforms. I believe they wouldn't be configuring all their units using SMS, neither through AT commands.

There needs to be some UI to do all the config. I am thinking of calling them up tomorrow and pester them.

Finally, managed to get through to the Concox guys through their FB page.

Pretty impressed with the way they helped me out.

1. Have managed to get the PC software to configure GT06N over USB-Serial cable.

2. Firmware version according to them is 'proprietary' [?][?] and I was asked as to why I need it. ( I guess they confused it for firmware sourcecode, the English/Chinese language gap is much more than I had imagined.

Getting the file across the GFW of China was a little difficult then I had imagined Apparently, they are more used to sending 'executables' as simple file attachments, which my Gmail was scrapping. Seems access to Dropbox, Google Drive are blocked in China and hence the occasional Internet user in China are more accustomed to sending files as attachments.

Looked around, and found the Mail accounts provided by QQ.COM allow executables as attachment [:D]; it did the trick.